Are you ready? Are you really, really ready for the new Samsung Galaxy S4?

(NEW YORK - AFP ) - Locked in a fierce battle in the smartphone market, South Korean giant Samsung on Thursday unveils its latest device aimed at challenging Apple in its home market. The Galaxy S4 set to be unveiled at New York's Radio City Music Hall has been generating buzz worthy of the iPhone, as the two firms fight for leadership in smartphones in the US and global markets. Samsung has released no details about the device, but it is widely expected to be an upgraded, slightly larger version of its Galaxy S3, with some new bells and whistles. According to The New York Times and some other media, the S4 will be able to respond to eye movements with an enhanced interface, and will offer an improved display. Samsung has released a series of videos on the Internet and has hired dancers to promote Thursday's event with street performances in Times Square, complete with a s...